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<p class="Decl"><b>type</b> TPixelCombineEvent = <b>procedure</b>(F: <a href="../../GR32/Types/Color%20Types.htm#TColor32">TColor32</a>; 
  <b>var</b> B: <a href="../../GR32/Types/Color%20Types.htm#TColor32">TColor32</a>; M: <a href="../../GR32/Types/Color%20Types.htm#TColor32">TColor32</a>) 
  <b>of</b> <b>object</b>;</p>
<h2>Desctiption</h2>
<p class="Body"><span class="EmptyRef">TPixelCombineEvent</span> is a type for 
  <a href="../Classes/TCustomBitmap32/Events/OnPixelCombine.htm">OnPixelCombine</a> 
  callback function. It specifies a function which takes foreground color (<span class="EmptyRef">F</span>) 
  and blends it with the background (<span class="EmptyRef">B</span>). This function 
  may optionally use master alpha value (<span class="EmptyRef">M</span>). Moreover, 
  in dmCustom mode master alpha value does not necesserely have to be in [0&#133;255] 
  range anymore, you are free to use all its 32-bits.</p>
<p id="hidden">[See also]: <a href="../Classes/TCustomBitmap32/Properties/DrawMode.htm">DrawMode</a></p>
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